tests/sched_policies/simple_cpu_gpu_sched.c: remove extra parenthesis

tests/sched_policies/simple_cpu_gpu_sched.c

@@ -210,7 +210,7 @@ run(struct starpu_sched_policy *policy)
 		{
 			FPRINTF(stderr, "The CPU task did not run on a CPU worker\n");
 		}
-		if (gpu_task_worker != STARPU_CUDA_WORKER && gpu_task_worker != STARPU_OPENCL_WORKER))
+		if (gpu_task_worker != STARPU_CUDA_WORKER && gpu_task_worker != STARPU_OPENCL_WORKER)
 		{
 			FPRINTF(stderr, "The GPU task did not run on a Cuda or OpenCL worker\n");
 		}